Problem Description
lxhgww got a sequence contains n characters which are all '0's or '1's.
We have five operations here:
Change operations:
0 a b change all characters into '0's in [a , b]
1 a...
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其他好文 时间：
2015-05-30 16:48:47
阅读次数：
126
Sequence operation
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 6397 Accepted Submission(s): 1899
Problem Description
lxhgww...
分类：
其他好文 时间：
2014-11-25 10:49:42
阅读次数：
260
